package com.yifushidai.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

@Configuration
@EnableAsync
public class ExecutorConfig {
    private Logger logger = LoggerFactory.getLogger(ExecutorConfig.class);

    @Bean
    public ThreadPoolTaskScheduler threadPoolTaskScheduler() {
//        return new ThreadPoolTaskScheduler();
        ThreadPoolTaskScheduler executor = new ThreadPoolTaskScheduler();
        // 设置核心线程数
        executor.setPoolSize(10);
        // 设置默认线程名称
        executor.setThreadNamePrefix("Scheduler-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
//        executor.setRejectedExecutionHandler(new  `ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
//        executor.setWaitForTasksToCompleteOnShutdown(true);
        //执行初始化
        executor.initialize();
        return executor;
    }

    @Bean
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(10);
        // 设置最大线程数
        executor.setMaxPoolSize(Integer.MAX_VALUE);
        // 设置队列容量
        executor.setQueueCapacity(Integer.MAX_VALUE);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        // 设置默认线程名称
        executor.setThreadNamePrefix("Executor-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
//        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
//        executor.setWaitForTasksToCompleteOnShutdown(true);
        //执行初始化
        executor.initialize();
        return executor;
    }
}